4:15 PM - 4:30 PM
*Shogo AOKI1, Masanori SHIMOJO1, Shinji YAMAMOTO1, Takafumi HIRATA2, Tsuyoshi KOMIYA1 (1.Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, University of Tokyo, 2.Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)